Figure 2

Zoomed CCT map showing enhanced detail. This 15X zoomed map was produced by command 6 given in Additional file 1A. Starting from the uppermost slot the feature slots depict: 1. COG functional categories for forward strand coding sequences; 2. Forward strand sequence features; 3. Reverse strand sequence features; 4. COG functional categories for reverse strand coding sequences. The next 30 slots show regions of sequence similarity detected by BLAST comparisons conducted between CDS translations from the reference genome and 30 E. coli comparison genomes. The last two slots show the GC content and GC skew.